Bluetooth speaker



FIG. 1 is a top perspective view of a Bluetooth speaker showing my new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a left side elevation view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is a partially enlarged view thereof, taken from FIG. 4.

Broken lines depict portions of the Bluetooth speaker that form no part of the claimed design. The dot-dash broken lines of FIGS. 4 and 9 are included to show a partially enlarged view only and form no part of the claimed design. 

CLAIM The ornamental design for a Bluetooth speaker, as shown and described. 